VizieR

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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/AJ/131/1948
  Narrow line Seyfert 1 galaxies in the FBQS (Whalen+, 2006)
ReadMe+ftp
2006AJ....131.1948W
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/131/1948/table2Narrow-line Seyfert 1 data (62 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  FBQS (char) Source identification (HHMM+DDMM) (FBQS JHHMM+DDMM in Simbad) (Note 1)   (meta.id;meta.main)
  z  Redshift (src.redshift)
  logR* [-] The k-corrected radio loudness parameter (phot.flux;arith.ratio)
  FWHM(Hb) km/s Full-width at half-maximum of Hβ line (spect.line.width)
  FWHM([OIII]) km/s (n) Full-width at half-maximum of [OIII](5007Å) line (spect.line.width)
  [OIII]/Hb  (n) The [OIII]/Hβ ratio (spect.line.intensity;arith.ratio)
  EW(FeII) 0.1nm (n) Equivalent width of FeII (Note 2)   (spect.line.eqWidth)
  EW(Hb) 0.1nm Equivalent width of Hβ (spect.line.eqWidth;em.line.Hbeta)
  EW([OIII]) 0.1nm (n) Equivalent width of [OIII] (spect.line.eqWidth;em.line.OIII)
  alpha  Spectral index (Note 3)   (spect.index)
  FIRST  View the FIRST details (Cat. VIII/71) (meta.ref.url)
  _RA deg (n)(i) Position from FBQS (2 quasars could not be found in the FBQS) (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (n)(i) Position from FBQS (2 quasars could not be found in the FBQS) (declination part) (pos.eq.dec;meta.main)

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